Do not shift the already 7bit i2c address. Print a message also for write+read transactions. For write+read, print the read buffer correctly instead of using the write buffer. Fix continuation lines Signed-off-by: Matthias Schwarzott <zzam@xxxxxxxxxx> --- drivers/media/usb/cx231xx/cx231xx-i2c.c | 23 ++++++++++++++++------- 1 file changed, 16 insertions(+), 7 deletions(-) diff --git a/drivers/media/usb/cx231xx/cx231xx-i2c.c b/drivers/media/usb/cx231xx/cx231xx-i2c.c index 96a5a09..7c0f797 100644 --- a/drivers/media/usb/cx231xx/cx231xx-i2c.c +++ b/drivers/media/usb/cx231xx/cx231xx-i2c.c @@ -371,9 +371,9 @@ static int cx231xx_i2c_xfer(struct i2c_adapter *i2c_adap, mutex_lock(&dev->i2c_lock); for (i = 0; i < num; i++) { - addr = msgs[i].addr >> 1; + addr = msgs[i].addr; - dprintk2(2, "%s %s addr=%x len=%d:", + dprintk2(2, "%s %s addr=0x%x len=%d:", (msgs[i].flags & I2C_M_RD) ? "read" : "write", i == num - 1 ? "stop" : "nonstop", addr, msgs[i].len); if (!msgs[i].len) { @@ -390,32 +390,41 @@ static int cx231xx_i2c_xfer(struct i2c_adapter *i2c_adap, rc = cx231xx_i2c_recv_bytes(i2c_adap, &msgs[i]); if (i2c_debug >= 2) { for (byte = 0; byte < msgs[i].len; byte++) - printk(" %02x", msgs[i].buf[byte]); + printk(KERN_CONT " %02x", msgs[i].buf[byte]); } } else if (i + 1 < num && (msgs[i + 1].flags & I2C_M_RD) && msgs[i].addr == msgs[i + 1].addr && (msgs[i].len <= 2) && (bus->nr < 3)) { + /* write bytes */ + if (i2c_debug >= 2) { + for (byte = 0; byte < msgs[i].len; byte++) + printk(KERN_CONT " %02x", msgs[i].buf[byte]); + printk(KERN_CONT "\n"); + } /* read bytes */ + dprintk2(2, "plus %s %s addr=0x%x len=%d:", + (msgs[i+1].flags & I2C_M_RD) ? "read" : "write", + i+1 == num - 1 ? "stop" : "nonstop", addr, msgs[i+1].len); rc = cx231xx_i2c_recv_bytes_with_saddr(i2c_adap, &msgs[i], &msgs[i + 1]); if (i2c_debug >= 2) { - for (byte = 0; byte < msgs[i].len; byte++) - printk(" %02x", msgs[i].buf[byte]); + for (byte = 0; byte < msgs[i+1].len; byte++) + printk(KERN_CONT " %02x", msgs[i+1].buf[byte]); } i++; } else { /* write bytes */ if (i2c_debug >= 2) { for (byte = 0; byte < msgs[i].len; byte++) - printk(" %02x", msgs[i].buf[byte]); + printk(KERN_CONT " %02x", msgs[i].buf[byte]); } rc = cx231xx_i2c_send_bytes(i2c_adap, &msgs[i]); } if (rc < 0) goto err; if (i2c_debug >= 2) - printk("\n"); + printk(KERN_CONT "\n"); } mutex_unlock(&dev->i2c_lock); return num; -- 1.8.4.4 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html